Seametrics IP80-Series Manuel d'utilisateur télécharger pdf (Page 8)

Page 8

PVC/Steel

Sch. 40

PVC/Steel

Sch. 80

Stainless

Steel (10S)

Stainless

Steel (40S)

Copper Tubing

(Type L)

Copper Tubing

(Type K)

Brass Pipe

Duct. Iron

(Class 52)

IP80-SERIES K-FACTORS

FOR SADDLE & WELDOLET FITTINGS

3" 4" 6" 8"

28.92

32.368

25.614

28.920

31.386

32.212

29.033

23.548

16.790

18.591

14.996

16.790

17.847

18.294

17.009

15.282

7.412

8.215

6.747

7.412

7.981

8.272

7.268

6.913

4.275

4.684

3.926

4.275

4.563

4.736

4.254

3.485

Minimum Flow. As with any other ﬂow sensor, there is

a rate below which the IP80-Series sensor cannot read.

Check the ﬂow rate table below for the minimum ﬂow rate

detectable by the sensor for a given pipe size.

Calibration (“K-factor”). The K-factor represents the

number of pulses per gallon the meter produces during a

ﬂow test. This number must be entered into your electronic

control to make it read properly. If the IP80-Series meter is

ordered with a tee ﬁtting, it is factory-calibrated in the ﬁtting

and the K-factor is indicated on the side (see below).

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Find Your K-Factor Here

Field Calibration. It is possible to ﬁeld-calibrate an IP80-

Series ﬂow sensor to determine an accurate K-factor in

the actual installation. The reason for doing this would

be to compensate for an unusual condition, for instance,

applications with higher viscosity ﬂuid (IP meters are cali-

brated for water use) or which lack adequate straight pipe

ahead of the meter. Field Calibration procedures are de-

scribed in a Technical Bulletin on our website (www.seam-

etrics.com).

If a saddle or weld-type ﬁtting has been ordered, see the

table below for the proper K-factor.

Flow Range (GPM)

1/2" 3/4" 1"

1-1/2"

2" 3" 4" 6" 8"

Min 0.28 0.5 0.8 1.9 3.1 6.9 12 27 46.8

Max 28 50 80 190 314 691 1190 2700 4680

OPERATION

100

150

200

60˚ 70˚ 80˚ 90˚ 100˚ 110˚ 120˚ 130˚ 140˚

P.S.I.

PRESSURE VS. TEMPERATURE (PVC/Polypro)

ARCHIVED

(Includes Dates Before 1/1/2011)

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Seametrics IP80-Series Manuel d'utilisateur Page 8

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